Finding the Fourth Proportional to 358,667.76, 494,942.56 and 205,698.05

Step by Step Solution

1. Step 1: Write the proportion equation
   358,667.76 : 494,942.56 = 205,698.05 : x
2. Step 2: Convert to fraction form
   358,667.76/494,942.56 = 205,698.05/x
3. Step 3: Cross multiply
   358,667.76x = 494,942.56 × 205,698.05
4. Step 4: Simplify right side
   358,667.76x = 101,808,715,950.81
5. Step 5: Solve for x
   x = 101,808,715,950.81/358,667.76
6. Step 6: Final answer
   x = 283,852.43